Home / 9,119.10-13,673.18-4,429.87

Finding the Fourth Proportional to 9,119.10, 13,673.18 and 4,429.87

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Solution

The fourth proportional to 9,119.10, 13,673.18 and 4,429.87 is: 6,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.10 : 13,673.18 = 4,429.87 : x
  2. Step 2: Convert to fraction form
    9,119.10/13,673.18 = 4,429.87/x
  3. Step 3: Cross multiply
    9,119.10x = 13,673.18 × 4,429.87
  4. Step 4: Simplify right side
    9,119.10x = 60,570,387.74
  5. Step 5: Solve for x
    x = 60,570,387.74/9,119.10
  6. Step 6: Final answer
    x = 6,642.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.